pandad: allow disabling driver camera IR offroad (#38812)

openpilot/common/params_keys.h

@@ -28,6 +28,7 @@ inline static std::unordered_map<std::string, ParamKeyAttributes> keys = {
     {"ControlsReady", {CLEAR_ON_MANAGER_START | CLEAR_ON_ONROAD_TRANSITION, BOOL}},
     {"CurrentBootlog", {PERSISTENT, STRING}},
     {"CurrentRoute", {CLEAR_ON_MANAGER_START | CLEAR_ON_ONROAD_TRANSITION, STRING}},
+    {"DisableDriverCameraIR", {CLEAR_ON_MANAGER_START | CLEAR_ON_ONROAD_TRANSITION, BOOL}},
     {"DisableLogging", {CLEAR_ON_MANAGER_START | CLEAR_ON_ONROAD_TRANSITION, BOOL}},
     {"DisablePowerDown", {PERSISTENT, BOOL}},
     {"DisableUpdates", {PERSISTENT, BOOL}},

openpilot/selfdrive/pandad/pandad.cc

@@ -328,8 +328,8 @@ void process_peripheral_state(Panda *panda, PubMaster *pm, bool no_fan_control,
       }
     }
 
-    // Disable IR on input timeout
-    if (nanos_since_boot() - last_cabin_camera_t > 1e9) {
+    // Disable IR on input timeout or when requested offroad.
+    if (nanos_since_boot() - last_cabin_camera_t > 1e9 || (!is_onroad && params.getBool("DisableDriverCameraIR"))) {
       ir_pwr = 0;
     }